Related Clues:

• High school subject
• H.S. class
• Algebra or trig
• Sci. course
• It takes figuring
• College major
• Coll. major
• Multiplying, e.g.
• Geometry, e.g.
• A calculator assists with it
• With 5-Down, where reactions take place
• Sci. class
• Algebra and trig
• It has its share of problems
• 'Do the ___'